The United States is in shock after the deadliest mass shooting in the country's recent history. At least 59 people have been killed and hundreds injured after a lone gunman opened fire at concert-goers from a hotel window in Las Vegas. It's still not known what motivated the suspect, who's been named as Stephen Paddock. TRT World's Jon Brain has more from Las Vegas. Subscribe: http://trt.world/subscribe Livestream: http://trt.world/ytlive Facebook: http://trt.world/facebook Twitter: http://trt.world/twitter Instagram: http://trt.world/instagram Visit our website: http://trt.world